{"product_id":"oem-goodman-door-safety-switch-w-wires-for-gmnt100-4-b1370820","title":"OEM Goodman Door Safety Switch w\/ Wires for GMNT100-4 — B1370820","description":"\u003ch2\u003eOEM Goodman B1370820 Blower Door Safety Switch\u003c\/h2\u003e\u003cp\u003eThe Goodman B1370820 is a genuine OEM blower door interlock safety switch pre-wired for direct replacement in \u003cstrong\u003eGMNT100-4\u003c\/strong\u003e gas furnaces. This switch cuts power to the blower and control circuit whenever the blower access panel is removed, protecting technicians and homeowners from live electrical components and rotating parts. A failed or stuck door switch is a common cause of a furnace that won't start after servicing.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Normally-open blower door interlock switch\u003c\/li\u003e\n\u003cli\u003eWiring: Factory leads\/harness included\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMNT100-4 and compatible Amana furnace platforms\u003c\/li\u003e\n\u003cli\u003eMounting: Panel-actuated plunger style\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370820\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is the factory Goodman\/Amana part, guaranteeing exact plunger travel, contact rating, and wire harness fit. Generic universal door switches often require splicing and can seat improperly, leading to intermittent no-heat calls. For a critical safety interlock, we recommend the OEM part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Disconnect power at the breaker, remove the blower panel, unplug the two leads, unclip the old switch, and snap the new one in. Typical time is 10–15 minutes with basic hand tools. Always verify power is off before servicing.\u003c\/p\u003e\u003cp\u003eShips genuine OEM. Backed by our fit guarantee for the GMNT100-4 series.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058130993523,"sku":"GOODMAN-11725","price":40.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-door-safety-switch-w-wires-for-gmnt100-4-b1370820","provider":"National HVAC Parts","version":"1.0","type":"link"}